Patent · US Expired

Thermoplastic polycarbonate moulding compositions with improved ease of mould release

US4143024A · kind A · utility

23Cited by

4References

8Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Siegfried Adelmann
Dieter Margotte
Hugo Vernaleken · Walsrode, DE
Werner Nouvertne · Krefeld, DE

Key dates

Filing date	May 2, 1977
Grant date	Mar 6, 1979
Priority date	—
Expiry date	May 2, 1997

Classification

Technology area (CPC H)Electricity
CPC primaryH05K3/288
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to a thermoplastic moulding composition comprising a high molecular, thermoplastic aromatic polycarbonate based on an aromatic dihydroxy compound and containing 0,01 to 0.5% by weight of an ester of a saturated aliphatic carboxylic acid with 10 to 20 C. atoms per molecule and an aromatic hydroxy compound with from 1 to 6 OH groups.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.